mirror of
https://github.com/cubefs/cubefs.git
synced 2026-08-02 10:06:14 +00:00
99 lines
2.4 KiB
Go
99 lines
2.4 KiB
Go
// Copyright 2023 The CubeFS Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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// implied. See the License for the specific language governing
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// permissions and limitations under the License.
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package flowctrl
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import (
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"fmt"
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"io"
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"math/rand"
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"strings"
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func TestKeyController(t *testing.T) {
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k := NewKeyFlowCtrl()
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key1, key2, key3 := "10001", "10002", "10003"
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k.Acquire(key1, 1024)
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assert.Equal(t, 1, k.current[key1].refCount)
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k.Acquire(key1, 1024)
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assert.Equal(t, 2, k.current[key1].refCount)
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k.Acquire(key2, 1024)
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assert.Equal(t, 2, len(k.current))
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k.Acquire(key3, 1024)
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assert.Equal(t, 3, len(k.current))
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k.Release(key1)
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assert.Equal(t, 1, k.current[key1].refCount)
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assert.Equal(t, 3, len(k.current))
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k.Release(key1)
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_, ok := k.current[key1]
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assert.Equal(t, false, ok)
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assert.Equal(t, 2, len(k.current))
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k.Release(key2)
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assert.Equal(t, 1, len(k.current))
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k.Release(key3)
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assert.Equal(t, 0, len(k.current))
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assert.Panics(t, func() {
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k.Release(key3)
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})
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}
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func BenchmarkRWKeyRateCtrl(b *testing.B) {
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k := NewKeyFlowCtrl()
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b.SetParallelism(100)
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b.RunParallel(func(pb *testing.PB) {
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for pb.Next() {
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uid := rand.Int31n(10000)
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uidStr := fmt.Sprint(uid)
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k.Acquire(uidStr, 1024)
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defer k.Release(uidStr)
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}
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})
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t := testing.T{}
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assert.Equal(&t, 0, len(k.current))
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}
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func BenchmarkRWKeyRateCtrlReader(b *testing.B) {
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str := initSource(8 * 1024)
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k := NewKeyFlowCtrl()
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b.SetParallelism(100)
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b.RunParallel(func(pb *testing.PB) {
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for pb.Next() {
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uid := rand.Int31n(10000)
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uidStr := fmt.Sprint(uid)
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c := k.Acquire(uidStr, 1024)
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defer k.Release(uidStr)
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reader := NewRateReaderWithCtrl(strings.NewReader(str), c)
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io.Copy(io.Discard, reader)
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}
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})
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t := testing.T{}
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assert.Equal(&t, 0, len(k.current))
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}
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func initSource(size int) string {
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str := "0123456789abcdefghijklmnopqrstuvwxyz"
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res := make([]byte, 0, size)
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for i := 0; i < size; i++ {
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res = append(res, str[rand.Intn(len(str))])
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}
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return string(res)
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}
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